Ustadi Ustad Se (Hindi : ??????? ?????? ?? ) is an action thriller starring Mithun Chakraborty in the lead role supported by Vinod Mehra, Ranjeeta, Jayshree T. and Jagdeep.

• Mithun Chakraborty ... Rajesh "Raju"
• Ranjeeta Kaur ... Seema "Sweety" (as Ranjeeta)
• Vinod Mehra ... Sanjay "Sonu" / Raju
• Prema Narayan ... Prema (Sanjay's Keep)
• Bharat Kapoor ... Prem
• Padma Khanna ... Kara (Prem's Keep)
• Jagdeep ... Kaamdev
• Madhu Malhotra ... Sheeba (Kamdev's Keep)
• Trilok Kapoor... Police Inspector
• Master Bhagwan ... Qawali Dancer
• Yunus Parvez ... Goon
• Ganja Shetty ... Prem's Henchman
• Bob Christo ... Prem's Henchman
• Jayshree T. ... Jaishree - Bollywood Actress (as Jaishree T.)
• Birbal ... Namdev (Kamdev's Nephew)
• Ratnamala ... Sanjay's Mother
• Master Bittoo ... Young Sanjay (as Master Bittu)
• Sonu Nigam ... Young Rajesh (as Master Sonu)
• Gazala ... Young Seema
• Mumtaz Begum ... Poor woman who is assisted by Rajesh

Young Seema (Sweety) with her grandfather and maternal uncle Kaamdev lives a middle-classed lifestyle. As a child, Raju (Rajesh) is her best friend and Sonu (Sanjay) also wants to be her friend, but she hates him. One day a stormy hurricane occurs and the entire city is destroyed. All three friends get separated from each other.

Years later, now Seema has grown up and works as a singer. Sanjay and Rajesh become thieves. Sanjay is a womanizer and wants to make every woman a victim of his lust. One day, he sees Seema and thinks of raping her. He chases her so that he can rape her alone. But he finds out that Seema is her childhood friend Sweety. He tells Seema that he is her childhood friend Raju. Seema's grandmother arranges their marriage, but on the day of their marriage, Prema, a beautiful young woman, along with a young child in her arms stops the marriage and claims that Rajesh has been already married to her and he is the father of her child. Seema becomes angry and slaps Rajesh and later finds it was all a ploy.

The climax reveals the suspense of Seema's claim.